Libinia emarginata Leach, 1815
Common Spider Crab, Portly Spider Crab
CLASSIFICATION
Main Group: Animal
Sublevel 1: Non-chordate Invertebrate
Sublevel 2: Invertebrate with bilateral symmetry
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Phylum: Arthropoda
Class: Malacostraca
Order: Decapoda
Family: Pisidae
Genus: Libinia
Species: Libinia emarginata
STATUS IN NEW ENGLAND
Origin: Native
Invasive, Pest, or Pathogen?: No
Rarity Designations: None
BIOLOGY/ECOLOGY
Feeding Type: Heterotroph
HABITAT
PHOTOS OF Libinia emarginata

Dead juvenile crab
Nantucket County, MA
Date: 2025-07-16

Dead juvenile crab, underside
Nantucket County, MA
Date: 2025-07-16

Carapace, on beach
Nantucket County, MA
Date: 2025-07-16

Carapace, on beach
Nantucket County, MA
Date: 2025-07-16
